Hmm... You dont get it too. I gotta ask you. When was the FIRST time manny has been suspected of PEDS and WHO was the one who first clammored about it? It was after the HATTON fight. Who was the first one bitchin? It was FLOYD MAYWEATHER SR. Now him accusing pac about steroids on that point dont you think is alot more related to being he was Hatton's trainer and his fighter lost so horribly? Maybe a little more miffed? Whats in your mind see is the very natural and human skill of finding patterns. These patterns you see might either be true or just in your mind. Its as what atheists base their disbelief in god lies. Since there are no scientific proofs that god exists hence no god. True but doesnt change the fact that people still believe in him. This also applies to peoples belief in aliens, crop circles, ghosts and so on. The pattern you talk about is this:

In your mind you believe that Pac is powerful and fast but in small weights = he goes up in weight hence he loses power and speed = your belief is shattered when the fact that pac has beat up larger men (sometimes more so when its your favorite fighter) = then you hypothesize that this is illogical and something must be wrong = your assumption is further strengthened by others belief that something IS wrong (From the statements of figures like Floyd mayweather snr and paulie malignaggi) = Pac denies RANDOM CLOSE TO THE FIGHT testing due to a number of personal reasons = Something must be wrong since he doesnt wanna take MAYWEATHERS test.